Evolutionary and Expression Analysis of MOV10 and MOV10L1 Reveals Their Origin, Duplication and Divergence.

Evolutionary and Expression Analysis of MOV10 and MOV10L1 Reveals Their Origin, Duplication and Divergence.
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MOV10 和 MOV10L1 的进化和表达分析揭示了它们的起源、重复和分歧

DOI:
10.3390/ijms23147523
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发表时间:
2022-07-07
影响因子:
5.6
通讯作者:
--
中科院分区:
生物学2区
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--
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MOV10和MOV10L1都编码atp依赖性RNA解旋酶。在哺乳动物中,MOV10和MOV10L1参与RNA病毒入侵防御、神经元系统、生殖细胞和早期发育等多种生物学活动。然而,斑马鱼体内的mov10和mov10l1基因尚不清楚,不同物种间mov10基因的进化关系也不清楚。在本研究中,我们发现MOV10和MOV10L1虽然具有RNA解旋酶的保守特征,但它们有一定的变异,但它们可能起源于一个祖先,尽管它们具有有限的同源性。在所有物种中均存在一个MOV10L1基因,而MOV10基因在一些物种中发生了谱系特异性的染色体内基因重复。有趣的是,mov10基因在斑马鱼中扩展到3个,起源于硬骨鱼谱系的全基因组特异性复制,然后是特定的染色体内串联复制。mov10和mov10l1在早期表现出不同的表达谱,但在成年斑马鱼中,三个mov10基因在几乎所有组织中表现出相似的多样化表达模式。我们还证明了mov10基因在病毒攻击时上调,强调它们在病毒感染中具有冗余的保守作用。这些结果为MOV10和MOV10L1的进化提供了有价值的数据,对进一步研究MOV10和MOV10L1的功能具有重要意义。
MOV10 and MOV10L1 both encode ATP-dependent RNA helicases. In mammals, MOV10 and MOV10L1 participate in various kinds of biological contexts, such as defense of RNA virus invasion, neuron system, germ cell and early development. However, mov10 and mov10l1 in zebrafish are obscure and the evolutionary relationships of mov10 among different species remain unclear. In this study, we found MOV10 and MOV10L1 had some variations despite they possessed the conserved feature of RNA helicase, however, they may originate from a single ancestor although they shared limited homology. A single MOV10L1 gene existed among all species, while MOV10 gene experienced lineage-specific intra-chromosomal gene duplication in several species. Interestingly, the mov10 gene expanded to three in zebrafish, which originating from a duplication by whole genome specific duplication of teleost lineage followed by a specific intra-chromosome tandem duplication. The mov10 and mov10l1 showed distinct expression profiles in early stages, however, in adult zebrafish, three mov10 genes exhibited similar diverse expression patterns in almost all tissues. We also demonstrated mov10 genes were upregulated upon virus challenge, highlighting they had redundant conserved roles in virus infection. These results provide valuable data for the evolution of MOV10 and MOV10L1 and they are important to the further functional exploration.
RNA 解旋酶 MOV10 作为 HIV-1 Rev 的辅助因子,促进 Rev/RRE 依赖性病毒 mRNA 的核输出。
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